1,5,6,7,8,9-Hexahydro-2-phenyl-4H-cyclohepta(4,5)thieno(2,3-d)pyrimidin-4-one 4H-Cyclohepta(4,5)thieno(2,3-d)pyrimidin-4-one, 1,5,6,7,8,9-hexahydro-2-phenyl- 87752-94-1